package main

import "fmt"

func main() {

	var num float32 = 3.14
	fmt.Println(num)

	var num2 float32 = 3.14000000001
	fmt.Println(num2)

	var num3 float64 = 3.14000000001
	fmt.Println(num3)

	var num4 = 3.14000000001
	fmt.Printf("num4类型: %T", num4)
}
